Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
During August, the average high-temperature is a still warm 81.9°F (27.7°C), maintaining a close resemblance to that of the preceding month. Throughout August nights, Greenview experiences a consistent temperature average of 64°F (17.8°C).Heat index
The heat index for August is calculated to be a tropical 87.8°F (31°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.Always consider that heat index estimations are for light winds and places in the shade. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
In August, the average relative humidity in Greenview is 81%.Rainfall
In Greenview, Illinois, during August, the rain falls for 13.4 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, there are 150 rainfall days, and 29.84" (758mm) of precipitation is accumulated.Snowfall
In Greenview, snow does not fall in May through September.Daylight
In August, the average length of the day in Greenview, Illinois, is 13h and 43min.On the first day of the month, sunrise is at 5:57 am and sunset at 8:12 pm. On the last day of August, in Greenview, sunrise is at 6:26 am and sunset at 7:31 pm CDT.
Sunshine
In August, the average sunshine is 10h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 6 during August translates into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
What is the average length of the day in August?
When are sunrise and sunset in August?
How long on average sun shines in August?
What is the month with the highest UV index?
How high is the UV index in August?
Average temperature in August
Greenview, IL
- Average high temperature in August: 81.9°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in August: 64°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in August
Greenview, IL
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Greenview, IL
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in August
Greenview, IL
- Average humidity in August: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Greenview, IL
- Average rainfall in August: 2.2"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is December (1.46").
Average rainfall days in August
Greenview, IL
- Average rainfall days in August: 13.4 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in August
Greenview, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (3.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Greenview, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Greenview, IL
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 10h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Greenview, IL
- Average sunshine days in August: 15.7 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in August
Greenview, IL
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Greenview, IL
- Average cloud cover in August: 29
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in August
Greenview, IL
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Greenview, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location